HcatInputFormat does not run any initial mapreduce jobs. It seems to me that the MapReduce job actually ran. You might want to do a jstack on your java program client side, to see what it is waiting on.
On Fri, May 2, 2014 at 7:28 AM, Fabian Reinartz <fab.ek...@googlemail.com> wrote: > I implemented a MapReduce job with HCatalog as input and output. It's pretty > much the same as the example on the website. > > If I start my job with `hadoop jar` an initial MapReduce is performed > (which, I guess is the query for the HCatalog data as the setup method in my > mapper is not executed). After that MapReduce no further output happens (for > hours, so pretty sure it hangs). > > The output of that initial MapReduce contains: > > Map-Reduce Framework > Map input records=23700 > Map output records=0 > > > So apparently all records of my data are read (but not passed on after > that?). > Any ideas what the problem could be? > > The input schema for the job is correct, the records are initially read but > my mapper is never executed. > > I'm using Hadoop 2.4 and Hive 0.13. -- CONFIDENTIALITY NOTICE NOTICE: This message is intended for the use of the individual or entity to which it is addressed and may contain information that is confidential, privileged and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient, you are hereby notified that any printing, copying, dissemination, distribution, disclosure or forwarding of this communication is strictly prohibited. If you have received this communication in error, please contact the sender immediately and delete it from your system. Thank You.
